NPPES file of Aug 9, 2026

Karen Ann Erwin, RDH

Dental Hygienist · San Diego, CA

Karen Ann Erwin, RDH is a dental hygienist with a practice address in San Diego, California, and NPI 1679644876, issued on Nov 11, 2006. Check the license (California 7791, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679644876
Name
Karen Ann Erwin
Credential
RDH
Primary taxonomy
Dental Hygienist 124Q00000X
License number
7791 CA
Self-reported in NPPES; status is on the state search
Practice location
1809 National Ave, San Diego, CA 92113
Phone
(619) 515-2300
Enumerated
Nov 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1809 National Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacqueline Acosta, RDNRegistered Dietitian1659135879
  2. Janice Acosta-Mariscal, OTR/LOccupational Therapist1194571984
  3. Hammad Afif, DDSDentist1932845385
  4. Marco Alegria, DDSDentist1437224466
  5. Carlos Alessandrini, NUTRITIONISTNutritionist1093268021
  6. Lysistrati Alimonos, D.O.Obstetrics & Gynecology Physician1619397031

Verify Karen Ann Erwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 7791
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Karen Ann Erwin among 1,874 dental hygienist records in California

Karen Ann Erwin, RDH is one of 1,874 dental hygienist records with a practice address in California. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 97% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 124Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dental Hygienist providers in California

There are 1,874 dental hygienist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 dental hygienist records with the nearest ZIP codes

  1. Lauren BourasSan Diego, CA 921131912548942
  2. Wendy Dehrab, RDHSan Diego, CA 921131316726300
  3. Julia Rivera, RDHSan Diego, CA 921131841362886
  4. Christopher AlmazanSan Diego, CA 921141154192888
  5. Manuel Guerrero Ontiveros, RDHSan Diego, CA 921141215435235
  6. Joanna ChiuSan Diego, CA 921111356115851
  7. Bao DoSan Diego, CA 921111508663816
  8. Ekaterina FedoseevaSan Diego, CA 921111023653052

Common questions

What is Karen Ann Erwin, RDH's NPI number?

Karen Ann Erwin, RDH's National Provider Identifier (NPI) is 1679644876, issued on Nov 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Ann Erwin, RDH located?

The NPPES record lists a practice address at 1809 National Ave, San Diego, CA, 92113. Phone: (619) 515-2300. Providers update this record themselves, so call before visiting.

How can I verify Karen Ann Erwin, RDH's license?

NPPES lists California license number 7791, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.